<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>栅格化布局</title>
		<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
		<link type="text/css" href="bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="stylesheet" />
		<style>
			div {
				border: 1px solid #0000FF;
				height: 200px;
			}
		</style>
	</head>
	<body>
		<h1>栅格化布局 </h1>		<main class="container">
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
			<div class="col-md-2 col-sm-3 col-xs-6">
			</div>
		</main>
		
		<script src="jquery-3.5.1.min.js"></script>
		<script src="bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
	</body>
</html>
